74432042473 has 2 divisors, whose sum is σ = 74432042474. Its totient is φ = 74432042472.

The previous prime is 74432042453. The next prime is 74432042479. The reversal of 74432042473 is 37424023447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73239514384 + 1192528089 = 270628^2 + 34533^2 .

It is an emirp because it is prime and its reverse (37424023447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74432042473 - 2⁹ = 74432041961 is a prime.

It is not a weakly prime, because it can be changed into another prime (74432042479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37216021236 + 37216021237.

It is an arithmetic number, because the mean of its divisors is an integer number (37216021237).

Almost surely, 2^74432042473 is an apocalyptic number.

It is an amenable number.

74432042473 is a deficient number, since it is larger than the sum of its proper divisors (1).

74432042473 is an equidigital number, since it uses as much as digits as its factorization.

74432042473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 40.

The spelling of 74432042473 in words is "seventy-four billion, four hundred thirty-two million, forty-two thousand, four hundred seventy-three".